Experience

DoxyChain
• Poland
• Software Development
• 1 - 100 Employee
• Software Engineer

  • Jan 2022 - Present


Whirly

• Poland
• IT Services and IT Consulting
• 1 - 100 Employee

• Solutions Architect

  • Apr 2017 - Jan 2022

  BARŁOMIEJ PĘKACZ CAAS >Self-employment work for Whirly - solution architect - creating architecture and backbone of client selfcare system (priv/soho/sme) for one of biggest telecom companies in Poland (from early analysis, trough architecture to key elements implementation). - designing and implementing new contact center system architecture for one of the biggest telecom companies in Poland (including containerisation and orchestration of elements). - valuation of changes in department key projects ------------------------------------------------------------ J2EE, Spring, WebFlux, Swagger, Vert.x, Hazelcast, Nashorn, Groovy, wslite, Scala, AKKA, TypeScript, JavaScript, Angular JS, Angular 7, Python 2, FastAPI, Zeep, Fabric2, Pandas, PL SQL, CQL, XSLT, XPATH, Bash, Augeas, Aspect CXP, Wildfly, HAProxy, Apache Tomcat, Apache HTTP, NodeJS, UltraESB, Docker, Apache Cassandra, Visual Paradigm, MermaidJS, MS Project, Idea, jmap, MAT, SoapUI, VisualStudio Code, SQL Developer, Oxygen XML, Ansible, Rundeck, Jenkins, ELK, Dynatrace Show less



Qumak S.A.

• Poland
• IT Services and IT Consulting
• 1 - 100 Employee

• IT Analyst

  • Jan 2013 - Apr 2017

  BARŁOMIEJ PĘKACZ CAAS >Self-employment work for Qumak - IT analyst/architect - analysis, design and implementation (from scratch) of enterprise service bus based on WebSphere Message Broker 8 and canonical data model derived from CIM standard. - implementation of Voice Object applications (including web portal) - analyzing business requirements - preparing HLD documents - valuation of changes - time schedule/product verification ------------------------------------------------------------ WebSphere Message Broker 8, WebSphere MQ 7.5, IBM DB2, SoapUI, WebSphere SAP Adapter, XSLT, JMX, Common Information Model for electricit, RDF, Neo4j (Cypher) Show less



Centertel

• Brazil
• Telecommunications

• IT analyst

  • May 2011 - Jan 2013

  BARŁOMIEJ PĘKACZ CAAS >Self-employment work for ORANGE POLSKA - IT analyst - analyzing business requirements - preparing HLD documents - valuation of changes - time schedule/product verification - supervising tests - IT systems maintenance ------------------------------------------------------------ Same as following, Oracle Sql Loader, Drools, Load UI, Groovy various frameworks (Grails , GPars, Grape, Gradle, GORM, Groovy DSL), Apache Velocity, XWiki, Apache ServiceMix ESB, Mule ESB, XSLT, JMX, iReport, JasperReports Show less



QUMAK – SEKOM

• IT analyst

  • Jan 2010 - Apr 2011

  QUMAK – SEKOM >Outsourcing work for TP Group (PTK Centertel) - sales IT systems analyst - IT systems maintenance - owner of IT system service - work based on ITIL standard - writing RFP/HLD documents - writing load tests ------------------------------------------------------------ Bash, PLSQL, SQL PLUS, J2SE, J2EE, WebServices, WebMethods, JBOSS, WebLogic, Perl, BMC Remedy, BMC Patrol, SoapUI, Enterprise Architect, Groovy QUMAK – SEKOM >Outsourcing work for TP Group (PTK Centertel) - sales IT systems analyst - IT systems maintenance - owner of IT system service - work based on ITIL standard - writing RFP/HLD documents - writing load tests ------------------------------------------------------------ Bash, PLSQL, SQL PLUS, J2SE, J2EE, WebServices, WebMethods, JBOSS, WebLogic, Perl, BMC Remedy, BMC Patrol, SoapUI, Enterprise Architect, Groovy



NaviPro

• Sweden
• IT Services and IT Consulting
• 1 - 100 Employee

• IT analyst

  • Nov 2009 - Dec 2009

  NaviPro - implementation of CA Unicenter Service Desk (including customizations) ------------------------------------------------------------ T-SQL, Perl, C#, Open-LDAP NaviPro - implementation of CA Unicenter Service Desk (including customizations) ------------------------------------------------------------ T-SQL, Perl, C#, Open-LDAP



CoreService

• Canada
• IT Services and IT Consulting

• Programmer, Analyst

  • Aug 2008 - Oct 2009

  CORE SERVICE POLSKA S.A. >Outsourcing job as a programmer in a telecom corporation - order appraisal and analysis - source code and application modification (also bug- and data- fixes) - testing changes with business department - preparing tests specification (module, system, integration, usability, performance) - DTD (Detailed Technical Design) documents preparation >Short term projects in other contractor >Internal project – recruitment system ------------------------------------------------------------ Clarify CRM Clear Basic, PLSQL, Clarify CRM ClearSales, J2EE,WebSphere, Clarify CRM cbbatch, .NET C#, C++, PVCS, WebServices, Axis, Clarify CRM CBO, JMS, jBPM, Mockrunner, J2SE, Oracle Heterogeneous Services, PLSQL, MySQL, J2EE, Spring 2.5, Struts 2, Hibernate, JSP, JavaScript, jQuery, Apache Tomcat Show less


Polskie Centrum Marketingowe
• Telephone Customer Service

  • Jun 2007 - Aug 2007

Informik
• Germany
• Software Development
• Salesman/Serviceman

  • Jun 2005 - Sep 2005